1Wide Application: Used for automotive, machinery, garage, workshop, power equipment, trucks, traction mower, small engine maintenance and fastening. 2High Performance: The heavy duty cotter pin is carefully designed to allow for fast and safe fastening of bolts and pins, more convenient to secure to use. 3Full Size Coverage: Each box contains 125pcs cotter clips in total, and 8 more suitable sizes for daily life, which can greatly meet most needs in daily life. 4Premium Material: The R type cotter pin is made of stainless steel galvanized with high structural strength and excellent wear resistance for repeated use. 5Transparent Packaging Box: The high grade cotter pin kit makes use of transparent box packing structure, each size pin has its own special storage case, easy to carry and use.